Patilla, Peter <br/><br/>
At home with maths 2 / 
by Peter Patilla 
 - Oxford :    Oxford University Press,  1994. 
 - 64 p.:   ill. ;   28 cm. 
<br/><br/><label>ISBN: </label>9780198381242 0198381247 
<br/><br/><label>Dewey Class. No.: </label>510  / PAT 1994